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OpenStudy (anonymous):

3/ (2+sqrt5)+3 /(2-sqrt5) please help!!!!

OpenStudy (anonymous):

@nublanthefab please help!

OpenStudy (anonymous):

-(15+9*sqrt5)/20

OpenStudy (anonymous):

how did you get that

OpenStudy (anonymous):

@LoveGirl3 do u have an idea

OpenStudy (anonymous):

can someone helpme!

OpenStudy (anonymous):

okay when solving these kinds of problems, you have to use something called the conjugate

OpenStudy (anonymous):

yeah ive heard of those

OpenStudy (anonymous):

so you know what that is?

OpenStudy (anonymous):

kind of ... im still not sure about the problem

OpenStudy (anonymous):

i got it by conjugate it

OpenStudy (anonymous):

how do u do that!

OpenStudy (anonymous):

try multiplying the top and bottom of the first fraction by (2-sqrt5) and the second one by (2+sqrt5)

OpenStudy (anonymous):

those are the conjugate by the way

OpenStudy (anonymous):

oops

OpenStudy (anonymous):

like this

OpenStudy (anonymous):

IM SORRY -12

OpenStudy (anonymous):

both 5's on the bottom need to be under a square root

OpenStudy (anonymous):

me misintepret ur question

OpenStudy (anonymous):

of both fractions

OpenStudy (anonymous):

oh ok@nublanthefab

OpenStudy (anonymous):

I did both right?

OpenStudy (anonymous):

well both pictures

OpenStudy (anonymous):

so what do i do next

OpenStudy (anonymous):

|dw:1354608662090:dw|

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